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All results from a given calculation for C(CH3)3SH (2-Propanethiol, 2-methyl-)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-552.661646
Energy at 298.15K-552.672590
HF Energy-552.098696
Nuclear repulsion energy242.569165
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3103 2982 23.54      
2 A' 3091 2971 24.13      
3 A' 3081 2961 34.40      
4 A' 3024 2906 14.21      
5 A' 3017 2900 23.75      
6 A' 2702 2596 18.07      
7 A' 1587 1525 9.60      
8 A' 1575 1514 10.46      
9 A' 1564 1504 0.35      
10 A' 1491 1433 1.52      
11 A' 1465 1408 13.45      
12 A' 1280 1231 0.63      
13 A' 1255 1206 33.89      
14 A' 1106 1063 1.66      
15 A' 968 930 4.43      
16 A' 903 868 2.46      
17 A' 817 785 1.32      
18 A' 591 568 3.09      
19 A' 402 387 0.94      
20 A' 374 359 0.18      
21 A' 308 296 0.41      
22 A' 292 281 0.78      
23 A" 3101 2981 24.91      
24 A" 3095 2975 3.94      
25 A" 3075 2956 0.56      
26 A" 3014 2897 12.68      
27 A" 1576 1515 8.64      
28 A" 1562 1501 0.39      
29 A" 1556 1496 0.02      
30 A" 1467 1410 10.75      
31 A" 1267 1218 4.04      
32 A" 1091 1048 0.01      
33 A" 1022 982 0.02      
34 A" 945 909 0.60      
35 A" 408 392 0.39      
36 A" 314 302 2.04      
37 A" 290 279 0.01      
38 A" 271 260 7.48      
39 A" 235 226 13.02      

Unscaled Zero Point Vibrational Energy (zpe) 29141.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 28007.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/3-21G*
ABC
0.14660 0.09787 0.09701

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.340 -0.006 0.000
S2 -1.514 0.084 0.000
C3 0.842 1.466 0.000
C4 0.842 -0.736 1.273
C5 0.842 -0.736 -1.273
H6 -1.718 -1.247 0.000
H7 1.943 1.469 0.000
H8 0.486 1.995 -0.895
H9 0.486 1.995 0.895
H10 1.944 -0.748 1.279
H11 1.944 -0.748 -1.279
H12 0.484 -0.221 2.175
H13 0.481 -1.775 1.292
H14 0.484 -0.221 -2.175
H15 0.481 -1.775 -1.292

Atom - Atom Distances (Å)
  C1 S2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.85591.55491.55141.55142.40322.17762.19712.19712.18122.18122.19062.19512.19062.1951
S21.85592.73132.80072.80071.34613.72332.90722.90723.77893.77892.96873.01692.96873.0169
C31.55492.73132.54342.54343.72981.10031.09951.09952.78372.78372.77623.50732.77623.5073
C41.55142.80072.54342.54692.90472.77353.50562.78031.10152.77971.09841.10023.50522.7912
C51.55142.80072.54342.54692.90472.77352.78033.50562.77971.10153.50522.79121.09841.1002
H62.40321.34613.72982.90472.90474.55764.02094.02093.91043.91043.26022.60443.26022.6044
H72.17763.72331.10032.77352.77354.55761.78921.78922.55912.55913.11723.78503.11723.7850
H82.19712.90721.09953.50562.78034.02091.78921.79023.79183.13043.78704.35862.55993.7911
H92.19712.90721.09952.78033.50564.02091.78921.79023.13043.79182.55993.79113.78704.3586
H102.18123.77892.78371.10152.77973.91042.55913.79183.13042.55741.79261.78733.78673.1308
H112.18123.77892.78372.77971.10153.91042.55913.13043.79182.55743.78673.13081.79261.7873
H122.19062.96872.77621.09843.50523.26023.11723.78702.55991.79263.78671.78704.35043.7992
H132.19513.01693.50731.10022.79122.60443.78504.35863.79111.78733.13081.78703.79922.5838
H142.19062.96872.77623.50521.09843.26023.11722.55993.78703.78671.79264.35043.79921.7870
H152.19513.01693.50732.79121.10022.60443.78503.79114.35863.13081.78733.79922.58381.7870

picture of 2-Propanethiol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.960 C1 C3 H7 108.992
C1 C3 H8 110.555 C1 C3 H9 110.555
C1 C4 H10 109.439 C1 C4 H12 110.352
C1 C4 H13 110.599 C1 C5 H11 109.439
C1 C5 H14 110.352 C1 C5 H15 110.599
S2 C1 C3 106.070 S2 C1 C4 110.247
S2 C1 C5 110.247 C3 C1 C4 109.927
C3 C1 C5 109.927 C4 C1 C5 110.338
H7 C3 H8 108.849 H7 C3 H9 108.849
H8 C3 H9 109.002 H10 C4 H12 109.140
H10 C4 H13 108.539 H11 C5 H14 109.140
H11 C5 H15 108.539 H12 C4 H13 108.735
H14 C5 H15 108.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability